the X that can be Y is not the true X

the X that can be Y is not the true X Yet another instance
of hackerdom's peculiar attraction to mystical references -- a
common humorous way of making exclusive statements about a class of
things. The template is from the "Tao te Ching": "The Tao
which can be spoken of is not the true Tao." The implication is
often that the X is a mystery accessible only to the enlightened.
See the trampoline entry for an example, and compare has
the X nature.